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The 'Great Dying': What made Earth's deadliest mass extinction so disastrous?

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  • #16
    your w button is looking fine.....your v ....not so much

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    • #17
      Originally posted by Stonecutter View Post

      Despite the overall state of human health improving, our ultimate fate depends on the health of the planet. Dornbusch's Law is/will apply: Crises take longer to arrive than you can possibly imagine, but when they do come, they happen faster than you can possibly imagine.
      Bold part : not anymore
      That's two or three years now that average lifespan is decreasing in industrial countries i.e kids are dying earlier than their parents
      Should ring a bell

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      • #18
        Fertility rates are crazy.
        How can they lab alter genes and make the change hereditary?

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        • #19
          That was my bad lol

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          • #20
            Since we don't know of but a fraction of the life forms that have existed or how numerous those we know about were, then where do the 96/73% stats come from?

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            • #21
              Originally posted by RobertKLR View Post
              Since we don't know of but a fraction of the life forms that have existed or how numerous those we know about were, then where do the 96/73% stats come from?
              The question was already asked and got already the answer (see page 1)

              We know the number of taxa present before, we know the number of taxa present after (thanks to fossils), extrapolation is not that hard. Yes, it's imprecise at specie level but for just a few percents
              Wiping out 90% instead of 96% doesn't change it, it was still a catastrophic mass extinction
              Last edited by Mordoror; 25-09-2018, 07:35 AM.

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